The other day, I talked about the new gas mileage law, which will require car manufacturers to increase the fuel economy their fleets obtain by 2016. For the environment, this is a step forward, leading to decreased overall carbon emissions and better mpg’s in cars. Naturally, this will also increase new car costs as car makers dump resources in R and D to create more efficient vehicles. But this bill might provide an unexpected injury to another part of the auto market: the luxury car industry.

Will James Bond have to give up his trademark Aston Martin?

Remember that car manufacturers must have a fleet average of about 35.5 miles per gallon. For large companies like GM and Ford, this is pretty feasible, considering the high number of models these firms produce. Even lower-end luxury brands like BMW should be all right meeting these standards, especially considering the high mileage makes already coming out. But what about the really high-end performance cars like Porsches and Aston Martins?

If the makers of the fast cars are large manufacturers, these regulations should be pretty easy to overcome. Consider Ferrari, which just released the fastest road car in the company’s history, the 599 GTO. Ferrari is owned by Fiat SpA, which luckily is already selling fuel efficient vehicles in the US. But brands that don’t sell cars besides luxury autos in the US are scrambling for ways to meet this regulation, like developing smaller, more fuel efficient cars (both Aston Martin and Jaguar are trying that route). Tiny (fewer than 5,000 vehicles sold per year) manufacturers are hoping that the EPA makes special allowances for them since the government agency has said these companies will get their own rules. Larger car makers (50-400k cars) are allowed to have 25,000 cars per year exceed mileage targets without being penalized.

The fastest Ferrari road car ever made...

And let’s not forget that fuel efficiency and carbon emissions regulations are not unique to America. Most developed countries in the world have to adhere to standards which get more strict all the time. In fact, the US is lagging behind in the regulations game.

So what exactly does this mean? Will our favorite high performance car makers be able to punch out a few efficient models to keep the sportiest vehicles on the road? I’ve said this before – I love fast cars, even if I may never own one. But can they remain on our highways indefinitely? Or will there come a time when they’re chained to closed tracks?

Maybe others agonized over a similar decision decades ago when horses were replaced by horsepower. Maybe carriage drivers were sad to put their high-stepping ponies in the barn and resigned themselves to riding and driving them for sport instead of transportation. Will luxury cars as we know it be kept merely for hobby instead of a way of getting around? I know that most Aston Martin drivers aren’t slogging through their daily commutes like James Bond, but these new regulations may dramatically change the fast cars we all love. The divide between transportation and sport might keep growing.

The ice is a-melting – check this out if you don’t believe me. And I’m not talking about an iceberg here or there. Think Antarctica. Or all of Greenland’s ice (which is a mass almost three times the size of Texas).

Right now, Antarctica is losing about 139 billion tons of ice per year. The ice melts and goes into the ocean, in turn raising sea levels. Most experts believe sea levels would rise around 20 feet if all of Greenland’s ice melted. If all of the Eastern Antarctic Ice Sheet melted, sea levels would increase by around 180 feet. Still think this might not be a big deal? Check out these projections:

Bye bye Manhatten!

I hope nobody was too attached to Florida...

Now, I am aware that many people don’t believe that global warming is a problem. They say that the earth has gone through such temperature fluctuations for countless years. They say that various trends are normal.

Guess what? They’re right. The earth does go through periods of warming and cooling naturally. But here’s the catch: the planet is heating up way too fast, and it’s because of what we’re doing. We are releasing greenhouse gases into the atmosphere (like carbon dioxide and methane) and they’re getting stuck there through the greenhouse effect.

Just remember: baby steps!

In the US, car emissions account for about a quarter of carbon dioxide (CO2) produced. In China and India, this percentage is even greater. So perhaps if you would like to stay above water and don’t particularly want polar bears hanging out in your backyard, it might be prudent to reconsider your driving habits. Need a new car? Get one with better gas mileage. Driving to work? Hitch a ride with a friend. I think change is possible, but that doesn’t mean it isn’t hard. The thing is, we’ve got to start somewhere!

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